Integrating Essential Skills

Mathematics Integrating Essential Skills Q43

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Question 43 as printed in the ACT Practice Test 2 booklet — As printed in the official booklet.

It took Sam x minutes to bike the d miles from home to work. Returning home on the same route, it took Sam y minutes. On the way home his average speed was 2 times his average speed on the way to work. Which of the following equations gives y in terms of x ? _ x

A
y =
B
y = x − 2
C
y = x + 2
D
y = 2x

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